Don't release beta verions to Homebrew

scripts/release

@@ -94,13 +94,23 @@ echo
 
 confirm "Continue?"
 
-cd ..
-gh release create -F .release/release_notes.md "${version}" ".release/${zip_filename}" ".release/${zip_artifactbundle}"
+is_latest=true
 
-# HomeBrew
-cd ../homebrew-periphery
-cat periphery.rb.template | sed s/__VERSION__/${version}/ | sed s/__SHA256__/${sha256}/ > Casks/periphery.rb
-git add Casks/periphery.rb
-git commit -m "${version}"
-git push origin master
-cd ../periphery
+if [[ $version == *"beta"* ]]; then
+  is_latest=false
+fi
+
+cd ..
+gh release create "--latest=${is_latest}" -F .release/release_notes.md "${version}" ".release/${zip_filename}" ".release/${zip_artifactbundle}"
+
+# Homebrew
+if [ $is_latest = false ]; then
+  echo "Not releasing beta to Homebrew."
+else
+  cd ../homebrew-periphery
+  cat periphery.rb.template | sed s/__VERSION__/${version}/ | sed s/__SHA256__/${sha256}/ > Casks/periphery.rb
+  git add Casks/periphery.rb
+  git commit -m "${version}"
+  git push origin master
+  cd ../periphery
+fi